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To investigate the stantant changes of Ⅰ、Ⅱ、Ⅲ and PG expression of mandibular condylar chondrocytes stimulated by the different static compressive stresses, so that to make a primary understanding of the relationship between the differentiation and dedifferentiation of condylar chondrocytes and different compressive stresses; to investigate the stantant changes of the content of DNA of mandibular condylar chondrocytes stimulated by the different static compressive stresses, so that to make a primary understanding of the relationship between proliferentiation and apothesis of MCCs and different static compressive stresses.

观察单层培养的髁状突软骨细胞加载不同静压力后，Ⅰ、Ⅱ、Ⅲ型胶原以及蛋白多糖表达的变化，探讨不同静压力对髁状突软骨细胞的分化及去分化的即时效应；观察单层培养的髁状突软骨细胞加载不同静压力后，其增殖、凋亡及细胞周期的变化，探讨不同静压力对髁状突软骨细胞增殖及凋亡的即时效应。

2Multiple Amps-Connect the primary unit's PRE OUT to the auxiliary unit's PWR IN. The primary unit is used to control all auxiliar untis.

倍数放大—把一级设备的预放大输出连接到辅助设备的功率放大的输入，一级设备用来控制所有辅助设备。

The results showed that with the increase of Cr/C, the shape of primary carbide became more and more regular, the bacilliform fibre＇s length of the primary carbide became increased, which is beneficial to the toughness of hardfacing layer.

研究发现，Cr/C增加，初生碳化物形状越来越规则，初生碳化物的杆状纤维增长，增加堆焊层的韧性。

With ILO-92 Otodynamics Analyzer,distortion product otoacoustic emissionsat the 2 f1-f2 frequency were recorded from 86 normally hearing ears in response to four groups of different primary levels (L1=L2=75 dB SPL ; L1=L2=65 dB SPL ; L1=L2=60 dB SPL ; L1=65 dB SPL , L2=50 dB SPL).The average DPOAEs-gram demonstrated a bilobed contour with two peaks at approximately 1.5 kHz and 5 kHz and a "notch" between 2.5 kHz and 3 kHz.Moreover,the contour of DPOAEs-gram had no obvious changes with sex,ear or primary stimulus levels differences.

利用耳动态分析仪ILO-92，对48例听力正常人(86耳)在4组不同原始刺激强度下(L1=L2=75 dB SPL；L1=L2=65 dB SPL；L1=L2=60 dB SPL；L1=65 dB SPL，L2=50 dB SPL)进行畸变产物耳声发射检查，结果发现平均DPOAEs图呈双叶型轮廓：在1.5 kHz和5 kHz附近，2 f1-f2 DPOAEs存在两个高峰，在2.5～3 kHz附近存在一个低谷，此图型结构无性别、耳别差异。

The primary localized amyloidosis of bronchotracheal tree have characteristic radiographic findings, but the primary systemic amyloidosis have no distinctive radiographic findings, the diagnosis relies on pathology.

局限于气管支气管树的原发淀粉样变病具有一定的影像特点，而全身性原发淀粉样变病累及胸部的有关影像学表现缺乏特征性，诊断依靠病理活检。

Results In lead poisoning group, the pathological changes in genital glands of mice were obtained; sperm count, linear movement sperm and live sperm rate decreased; the elevated motionless sperm, cacospermia and primary spermatocyte chromosome aberration rate were found. In Haierfu group, the pathological changes in genital glands of mice ameliated to different degree, sperm count, linear movement sperm and live sperm rate elevated, and motionless sperm, cacospermia and primary spermatocyte chromosome aberration rate decreased.

结果 醋酸铅染毒组雄性小鼠的生殖腺有不同程度的病理学改变，精子计数、直线运动精子数、活精子率下降，而静止不动精子数、精子畸形率和初级精母细胞染色体畸变率升高；海尔福治疗组小鼠的生殖腺病理学改变有不同程度的改善，精子计数、直线运动精子数、活精子率有所升高，而静止不动精子数、精子畸形率和初级精母细胞染色体畸变率有所降低。

The main steps include as follows: CO2 is led into the mother liquor of sodium meta-aluminate to carry out carbon content decomposing; the primary separation between the aluminum and the gallium is realized by primary carbonatation to filter out sodium hydroxide; secondary carbonatation is carried out on the filtrate to obtain the deposit of the complex salt of gallium and aluminum; a sodium carbonate crystal is obtained after the filtered filtrate is condensed and vaporized; the deposit of the complex salt of gallium and aluminum is dissolved in the mother liquor of sodium meta-aluminate; the processes are repeated until the proportion of gallium and aluminum in the complex salt of gallium and aluminum is larger than 1/340; then the complex salt of gallium and aluminum is added into the NaOH liquor and electrolyzed, thus obtaining the metal gallium with a purity larger than 99.9 percent which reaches the level of 3; simultaneously, the byproducts of the aluminum hydroxide and the sodium carbonate during the process of carbonatation by steps are obtained.

主要步骤包括：向铝酸钠母液中通入CO 2 进行碳分分解，一次碳酸化实现铝镓的初次分离；过滤出氢氧化钠，滤液进行二次碳酸化获得镓铝复盐沉淀，过滤后滤液经浓缩蒸发获得碳酸钠晶体，铝镓复盐沉淀溶解在偏铝酸钠母液中，重复上述过程直至铝镓复盐中的镓铝比例大于1/340，将其加入到NaOH溶液中，电解可获得纯度＞99.9％的金属镓，达到3N级水平同时在分步碳酸化的过程中获得氢氧化铝和碳酸钠副产品。

The primary ore of tin, most sources of Cassiterite today are not primary deposits but alluvial deposits containing weathered grains.

锡原生矿以及今天我们所见到的锡石的大多数出产地其实都不是她的原生矿藏，真正的锡石原生矿是那些含有风蚀晶粒的冲积层矿床。

RUSAL is the world's third largest primary aluminium producer, providing primary aluminium and value-added casthouse products to customers in 50 countries.

俄罗斯铝业公司是世界第三大的原铝生产商，主要为世界范围内50个国家提供原铝和高增值铸造产品。

Results The patients were male,one of which was multiple primary cancer,another was the primary tumors of front sinus.They were performed surgery through the cephalofacial route.

结果均为男性，其中头颈部三重癌 1例，原发性额窦癌 1例，均广泛侵犯前颅底，采取颅面联合进路广泛切除原发性肿瘤。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。